package _2请求转发;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/loginchk")
public class LoginCheckServlet extends HttpServlet
{
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException 
	{
		// req
		// resp
		
		// 1. 接受用户请求信息
		String username = req.getParameter("username");
		String password = req.getParameter("password");
		
		// 2. 业务处理
		String result = "";
		if("admin".equals(username)&&"123".equals(password))
		{
			result = "登录成功";
		}
		else
		{
			result = "登录失败";
		}
		
		// 3. 显示结果
		
		// 3.1 直接打印
//		resp.setContentType("text/html;charset=utf-8");
//		resp.getWriter().print(result);
		
		
		// 3.2 请求转发
		
		// 请求对象是一个域对象，把结果放在请求对象中
		req.setAttribute("result", result);
		// 请求转发jsp页面
		req.getRequestDispatcher("loginresult.jsp").forward(req, resp);
		
		
	}

}